<template>
	<view>
		<swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
			<swiper-item v-for="(item,i) in goods_info.pics" :key="i">
				<image :src="item.pics_big" @click="preview(i)"></image>
			</swiper-item>

		</swiper>
		
		<view class="goods-info-box">
			<view class="price">{{goods_info.goods_price}}元</view>
			
			<view class="goods-name">{{goods_info.goods_name}}</view>	
		</view>
		<rich-text :nodes="goods_info.goods_introduce"></rich-text>
		
		<view class="goods_nav">
			<uni-goods-nav :fill="true" :options="options" :buttonGroup="buttonGroup" @click="onClick" @buttonClick="buttonClick" />
		</view>
	</view>
</template>

<script>
	import {mapState,mapMutations,mapGetters} from 'vuex'
	
	
	export default {
		computed:{
			...mapState('m_cart',[]),
			...mapGetters('m_cart',['total'])
		},
		watch:{
			total:{

				handler(newVal){
					const findResult = this.options.find(x => x.text === '购物车')
					if(findResult){
						findResult.info = newVal
					}
				},
				
			immediate:true,
			}
		},
		
		
		data() {
			return {
				goods_info:{},
				options:[{
									icon:'shop',
									text:'店铺',
									infoBackgroundColor:'#007aff',
									infoColor:'red'
								},{
									icon:'cart',
									text:'购物车',
									info:0
									
								}],
								ButtonGroup:[{
									text:'加入购物车',
									backgroundColor:'#ff0000',
									color:'#fff'
								},{
									text:'立即购买',
									backgroundColor:'#ffa200',
									color:'#fff'
								}
								]
			};
		},
		onLoad(options){
			const goods_id = options.goods_id
			this.getGoodsDetail(goods_id)
		},
		methods:{
			...mapMutations('m_cart',['addToCart']),
			async getGoodsDetail(goods_id){
				const {data:res}=await uni.$http.get('/api/public/v1/goods/detail', {goods_id})
				if(res.meta.status !==200) return uni.$showMsg()
				this.goods_info = res.message
			},
			preview(i){
				uni.previewImage({
					current:i,
					urls:this.goods_info.pics.map(x => x.pics_big)
				})
			},
			onClick(e){
				if(e.content.text === '购物车'){
					uni.switchTab({
						url:'/pages/cart/cart'
					})
				}
			},
			buttonClick(e) {
				if (e.content.text === '加入购物车'){
					const goods = {
						goods_id:this.goods_info.goods_id,
						goods_name:this.goods_info.goods_name,
						goods_price:this.goods_info.goods_price,
						goods_count:1,
						goods_small_logo:this.goods_info.goods_small_logo,
						goods_state:true
						
					}
					this.addToCart(goods)
				}
			}
		}
	}
</script>

<style lang="scss">
swiper{
	height: 750rpx;
	
	image{
		width: 100%;
		height: 100%;
	}
}
.goods-info-box{
	padding: 10px;
	padding-right: 0;
	
	.price{
		color: #C00000;
		font-size: 18px;
		margin: 10px 0;
	}

	.goods-name{
		font-size: 13px;
		margin-right: 10px;
	}
}

.goods_nav{
	position: fixed;
	bottom: 0;
	left: 0;
	width: 100%;
}
</style>
